4.3 PENGEKSTRAKAN LOGAM DARIPADA BIJIHNYA
Quiz
•
Science
•
7th - 11th Grade
•
Medium
SALINA MOHD ISA
Used 147+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pengekstrakan logam ialah proses untuk memperoleh sesuatu ..........................................................
[Pilih jawapan yang sesuai untuk tempat kosong tersebut.]
[Rujuk buku teks muka surat 137]
sebatian daripada unsur
bijih daripada unsurnya
logam daripada bijihnya
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Berdasarkan rajah di atas, dalam siri kereaktifan logam, logam-logam yang lebih reaktif atau lebih tinggi daripada karbon boleh diekstrak daripada bijihnya melalui ........................
[Jawapan dalam satu perkataan sahaja]
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan rajah di atas, logam yang lebih rendah atau kurang reaktif daripada karbon, ianya boleh diekstrak melalui ..................................................................................
elektrolisi
pemanasan terus sebatian logam
penurunan oksida logam oleh karbon
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pengekstrakan melalui elektrolisis sebatian logam mestilah dalam keadaan ...............................
lebur
pepejal
separuh lebur
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pengekstrakan logam besi daripada bijihnya dilakukan di dalam ..............................
ketuhar gelombang mikro
relau bagas
ketuhar (oven)
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Langkah pertama dalam pengekstrakan logam besi, bijih besi dicampur dengan dua bahan bukan logam. Pilih dua bahan bukan logam tersebut.
Arang kok
Petroleum
Batu kapur
Batu granit
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Rajah di atas menunjukkan relau bagas yang digunakan untuk mengekstrak ferum.
Nyatakan dua contoh logam lain yang diekstrak dengan menggunakan relau bagas.
[Logam ini mestilah lebih rendah daripada karbon]
Magnesium
Timah
Aluminium
Plumbum
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